title: The spread: pilot study of an undocumented source of pharmacy benefit manager revenue.
mesh_terms: D032982:Contracts / Q000191:economics*; D003365:Costs and Cost Analysis; D016527:Drug Costs; D004345:Drug Industry / Q000191:economics*; D011307:Drug Prescriptions / Q000191:economics; D016568:Drugs, Generic / Q000191:economics; D004651:Employment / Q000191:economics*; D010594:Pharmacies / Q000191:economics*; D010865:Pilot Projects
chemical_list: D016568:Drugs, Generic